Scanning photos in the archive (IMAGE) Northwestern University Caption An aerial photo of Greenland's coastline from the Danish National Archives. To construct how Greenland's peripheral glaciers have changed over the decades, researchers digitized thousands of paper-copy aerial photographs taken from open-cockpit planes and collected imagery from multiple satellites. Credit Laura Larocca Usage Restrictions add credit License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.